Product code: B121
Designed to deliver superior warmth and comfort in cold working environments. Made from a soft poly-cotton blend, these thermal base layer trousers feature an elasticated waistband and cuffed hems to retain heat and ensure a secure fit. Ideal for layering under workwear in cold conditions, without compromising mobility.
The Portwest B121 Thermal Trouser in Black is a practical base layer designed to retain warmth around the lower body. Made from a 50% polyester and 50% cotton blend, this 6oz fabric traps heat effectively while remaining breathable—ideal for cold weather work environments.
Its cuffed hem and elasticated waist ensure a snug, comfortable fit that stays in place throughout the day. Whether worn under overalls, waterproofs, or standard work trousers, the B121 provides reliable insulation without restricting movement.
Perfect for construction, warehousing, logistics, and outdoor maintenance crews, this thermal trouser is a staple for winter PPE kits.
Soft Poly-Cotton Blend: Made from 50% polyester and 50% cotton for warmth, breathability, and durability.
Thermal Insulation: Specially knitted fabric helps retain body heat for all-day comfort.
Elasticated Waist: Ensures a secure and flexible fit for active work environments.
Cuffed Hem: Prevents cold air from entering and keeps warmth close to the body.
Lightweight Construction: 6oz fabric weight offers warmth without bulk.
Ideal For: Cold storage workers, food processing staff, warehouse teams, and outdoor laborers needing thermal protection.
The B120 Thermal T-Shirt is a short-sleeve base layer designed to provide warmth and comfort in cold working conditions. Made from a durable polyester/cotton blend, it offers excellent thermal insulation while remaining breathable and lightweight. Ideal for layering under workwear.
The Portwest B123 Thermal Long Sleeve T-Shirt is designed to deliver consistent warmth and breathable comfort in cold working conditions. Made from a durable blend of polyester and cotton, this thermal base layer is ideal for layering under workwear. Its round neck and long sleeve design offer full coverage, making it a reliable choice for outdoor and industrial environments.
Stay warm, dry, and protected with the Portwest B151 Base Pro Antibacterial Legging. Designed for high-performance work environments, this thermal base layer offers moisture-wicking comfort and odour control thanks to its silver ion treatment. Ideal for construction, outdoor work, and cold storage settings.
Stay fresh and dry with the Portwest B153 Base Pro Antibacterial Top. Designed for multi-season use, this close-fitting thermal layer features silver ion technology to combat odour and enhance hygiene. Ideal for construction, logistics, and outdoor work environments.
